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https://github.com/LadybirdBrowser/ladybird.git
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b65e711929
Add a new widget "DynamicWidgetContainer" that is used to group it's child widgets within an collapsable and detachable container. The DynmnicWidgetContainer is able to persist it's view state if a config domain has been provided. Having that set will allow the widget to restore it's view state automatically.
100 lines
3.6 KiB
C++
100 lines
3.6 KiB
C++
/*
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* Copyright (c) 2023, Torsten Engelmann <engelTorsten@gmx.de>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibGUI/Frame.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/LabelWithEventDispatcher.h>
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#include <LibGUI/Window.h>
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namespace GUI {
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class DynamicWidgetContainer : public Frame {
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C_OBJECT(DynamicWidgetContainer);
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public:
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enum class ViewState {
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Expanded,
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Collapsed,
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Detached
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};
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enum class MoveTargetOperation {
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SetTarget,
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ClearAllTargets
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};
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ViewState view_state() const { return m_view_state; }
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void set_view_state(ViewState);
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StringView section_label() const& { return m_section_label; }
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void set_section_label(String);
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StringView config_domain() const& { return m_config_domain; }
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void set_config_domain(String);
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bool persist_state() const { return !m_config_domain.is_empty(); }
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void set_detached_size(Gfx::IntSize const);
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Gfx::IntSize detached_size() const { return m_detached_size.value(); }
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bool has_detached_size() { return m_detached_size.has_value(); }
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void set_container_with_individual_order(bool);
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bool is_container_with_individual_order() const { return m_is_container_with_individual_order; }
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void set_show_controls(bool);
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bool show_controls() const { return m_show_controls; }
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void set_parent_container(RefPtr<GUI::DynamicWidgetContainer>);
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bool check_has_move_target(Gfx::IntPoint, MoveTargetOperation);
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// FIXME: this should not be a public api and static - but currently the destructor is not being called when the widget was created via a gml file.
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static void close_all_detached_windows();
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virtual ~DynamicWidgetContainer() override;
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protected:
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explicit DynamicWidgetContainer(Gfx::Orientation = Gfx::Orientation::Vertical);
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virtual void paint_event(PaintEvent&) override {};
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virtual void second_paint_event(PaintEvent&) override;
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virtual void resize_event(ResizeEvent&) override;
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virtual void child_event(Core::ChildEvent&) override;
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template<typename Callback>
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void for_each_child_container(Callback callback);
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Vector<GUI::DynamicWidgetContainer&> child_containers() const;
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private:
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struct RelevantSizes {
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UISize preferred_size;
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UISize min_size;
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};
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ViewState m_view_state = ViewState::Expanded;
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String m_section_label;
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String m_config_domain;
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bool m_is_container_with_individual_order { false };
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bool m_persist_state { false };
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bool m_is_dragging { false };
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bool m_render_as_move_target { false };
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bool m_show_controls { true };
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Gfx::IntPoint m_drag_start_location;
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Gfx::IntPoint m_current_mouse_position;
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RefPtr<GUI::Widget> m_controls_widget;
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RefPtr<GUI::LabelWithEventDispatcher> m_label_widget;
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Gfx::IntRect m_move_widget_knurl = { 0, 0, 16, 16 };
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Optional<NonnullRefPtr<GUI::Window>> m_detached_widgets_window;
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Optional<Gfx::FrameStyle> m_previous_frame_style;
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Optional<RelevantSizes> m_dimensions_before_collapse;
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Optional<Gfx::IntSize> m_detached_size;
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RefPtr<GUI::DynamicWidgetContainer> m_parent_container;
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static Vector<NonnullRefPtr<GUI::Window>> s_open_windows;
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ErrorOr<void> detach_widgets();
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void restore_view_state();
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void register_open_window(NonnullRefPtr<GUI::Window>);
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void unregister_open_window(NonnullRefPtr<GUI::Window>);
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void set_render_as_move_target(bool);
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void swap_widget_positions(NonnullRefPtr<Core::EventReceiver> source, Gfx::IntPoint destination_positon);
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void handle_mousemove_event(MouseEvent&);
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void handle_mouseup_event(MouseEvent&);
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void handle_doubleclick_event(MouseEvent&);
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void update_control_button_visibility();
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};
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}
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